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Science Fiction & Fantasy
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HopDavid's user avatar
HopDavid
  • Member for 10 years, 8 months
  • Last seen more than a week ago
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About

I love art and math -- M.C. Escher is an influence. I enjoy science fiction. I'm interested in space exploration.

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Top posts
question
20
What's the ball of light in HBO's Game of Thrones intro?
Apr 10, 2014
question
12
Connection between Sandkings and Game of Thrones?
Apr 10, 2014
answer
4
How was the crew of the Ares 3 able to successfully get back to the Hermes?
Oct 7, 2015
question
2
Spinrad essays on science fiction stimulating technology
Dec 26, 2015
Top network posts
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53
How fast will 1g get you there?
41
Why don't we launch spacecraft from the Moon?
26
What's the path of something dropped from a space elevator
25
Can a natural satellite exist in a geostationary orbit?
24
What's the path of something dropped from a space elevator